A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5960-01-632-6576
NSN 2925-00-805-6481
NSN 5920-01-201-2936
NSN 6610-01-276-7766
NSN 5985-00-543-1987
NSN 6105-01-123-8040
NSN 5960-01-149-1261
NSN 5996-01-062-0807
NSN 6220-00-527-1177
NSN 5835-00-779-2836
NSN 5930-01-487-1224
NSN 6320-01-450-5510